A reverse plank variation is an excellent move for challenging our anterior chain - which is all the muscles that run down ...

Reverse Sit-Up . Lie faceup with your arms by your sides, legs in the air, and knees bent 90 degrees. Use lower abdominal muscles to roll pelvis back and lift hips and glutes off the floor.

Reverse crunch: A little variation on the crunch, and a slight backward style of a sit-up, is the reverse crunch. For this lie on your back, with feet off the floor and knees at a right angle.

Tense your abs and pull yourself up to the v-sit position. Reverse the movement to the beginning position. Reverse Crunch. Start lying on the floor with your hand either side of your head.

Paula Abdul Hates Sit-Ups, ... “I hate regular sit-ups because they hurt my neck, so I’ve learned every different way there is to do reverse sit-ups,” she says.

Sit-up haters, we've got a sit-up free workout ready and waiting for you to use—but if you love sit-ups, ... Reverse plank knee in leg lift. Kick out leg extension.

“Sit-ups also engage the hip flexors, leg and abdominal muscles, ... Reverse the movement to return to the starting position. Perform 8 reps on each side. Heel Tap. Lie faceup with your knees ...